2 * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include "internal/cryptlib.h"
12 #include <openssl/x509.h>
13 #include <openssl/asn1.h>
15 #include <openssl/bn.h>
16 #include "internal/asn1_int.h"
17 #include "internal/evp_int.h"
18 #include <openssl/cms.h>
21 * i2d/d2i like DH parameter functions which use the appropriate routine for
22 * PKCS#3 DH or X9.42 DH.
25 static DH
*d2i_dhp(const EVP_PKEY
*pkey
, const unsigned char **pp
,
28 if (pkey
->ameth
== &dhx_asn1_meth
)
29 return d2i_DHxparams(NULL
, pp
, length
);
30 return d2i_DHparams(NULL
, pp
, length
);
33 static int i2d_dhp(const EVP_PKEY
*pkey
, const DH
*a
, unsigned char **pp
)
35 if (pkey
->ameth
== &dhx_asn1_meth
)
36 return i2d_DHxparams(a
, pp
);
37 return i2d_DHparams(a
, pp
);
40 static void int_dh_free(EVP_PKEY
*pkey
)
42 DH_free(pkey
->pkey
.dh
);
45 static int dh_pub_decode(EVP_PKEY
*pkey
, X509_PUBKEY
*pubkey
)
47 const unsigned char *p
, *pm
;
53 ASN1_INTEGER
*public_key
= NULL
;
57 if (!X509_PUBKEY_get0_param(NULL
, &p
, &pklen
, &palg
, pubkey
))
59 X509_ALGOR_get0(NULL
, &ptype
, &pval
, palg
);
61 if (ptype
!= V_ASN1_SEQUENCE
) {
62 DHerr(DH_F_DH_PUB_DECODE
, DH_R_PARAMETER_ENCODING_ERROR
);
70 if ((dh
= d2i_dhp(pkey
, &pm
, pmlen
)) == NULL
) {
71 DHerr(DH_F_DH_PUB_DECODE
, DH_R_DECODE_ERROR
);
75 if ((public_key
= d2i_ASN1_INTEGER(NULL
, &p
, pklen
)) == NULL
) {
76 DHerr(DH_F_DH_PUB_DECODE
, DH_R_DECODE_ERROR
);
80 /* We have parameters now set public key */
81 if ((dh
->pub_key
= ASN1_INTEGER_to_BN(public_key
, NULL
)) == NULL
) {
82 DHerr(DH_F_DH_PUB_DECODE
, DH_R_BN_DECODE_ERROR
);
86 ASN1_INTEGER_free(public_key
);
87 EVP_PKEY_assign(pkey
, pkey
->ameth
->pkey_id
, dh
);
91 ASN1_INTEGER_free(public_key
);
97 static int dh_pub_encode(X509_PUBKEY
*pk
, const EVP_PKEY
*pkey
)
101 unsigned char *penc
= NULL
;
104 ASN1_INTEGER
*pub_key
= NULL
;
108 str
= ASN1_STRING_new();
110 DHerr(DH_F_DH_PUB_ENCODE
, ERR_R_MALLOC_FAILURE
);
113 str
->length
= i2d_dhp(pkey
, dh
, &str
->data
);
114 if (str
->length
<= 0) {
115 DHerr(DH_F_DH_PUB_ENCODE
, ERR_R_MALLOC_FAILURE
);
118 ptype
= V_ASN1_SEQUENCE
;
120 pub_key
= BN_to_ASN1_INTEGER(dh
->pub_key
, NULL
);
124 penclen
= i2d_ASN1_INTEGER(pub_key
, &penc
);
126 ASN1_INTEGER_free(pub_key
);
129 DHerr(DH_F_DH_PUB_ENCODE
, ERR_R_MALLOC_FAILURE
);
133 if (X509_PUBKEY_set0_param(pk
, OBJ_nid2obj(pkey
->ameth
->pkey_id
),
134 ptype
, str
, penc
, penclen
))
139 ASN1_STRING_free(str
);
145 * PKCS#8 DH is defined in PKCS#11 of all places. It is similar to DH in that
146 * the AlgorithmIdentifier contains the parameters, the private key is
147 * explicitly included and the pubkey must be recalculated.
150 static int dh_priv_decode(EVP_PKEY
*pkey
, PKCS8_PRIV_KEY_INFO
*p8
)
152 const unsigned char *p
, *pm
;
158 ASN1_INTEGER
*privkey
= NULL
;
162 if (!PKCS8_pkey_get0(NULL
, &p
, &pklen
, &palg
, p8
))
165 X509_ALGOR_get0(NULL
, &ptype
, &pval
, palg
);
167 if (ptype
!= V_ASN1_SEQUENCE
)
169 if ((privkey
= d2i_ASN1_INTEGER(NULL
, &p
, pklen
)) == NULL
)
174 pmlen
= pstr
->length
;
175 if ((dh
= d2i_dhp(pkey
, &pm
, pmlen
)) == NULL
)
178 /* We have parameters now set private key */
179 if ((dh
->priv_key
= BN_secure_new()) == NULL
180 || !ASN1_INTEGER_to_BN(privkey
, dh
->priv_key
)) {
181 DHerr(DH_F_DH_PRIV_DECODE
, DH_R_BN_ERROR
);
184 /* Calculate public key */
185 if (!DH_generate_key(dh
))
188 EVP_PKEY_assign(pkey
, pkey
->ameth
->pkey_id
, dh
);
190 ASN1_STRING_clear_free(privkey
);
195 DHerr(DH_F_DH_PRIV_DECODE
, EVP_R_DECODE_ERROR
);
198 ASN1_STRING_clear_free(privkey
);
202 static int dh_priv_encode(PKCS8_PRIV_KEY_INFO
*p8
, const EVP_PKEY
*pkey
)
204 ASN1_STRING
*params
= NULL
;
205 ASN1_INTEGER
*prkey
= NULL
;
206 unsigned char *dp
= NULL
;
209 params
= ASN1_STRING_new();
211 if (params
== NULL
) {
212 DHerr(DH_F_DH_PRIV_ENCODE
, ERR_R_MALLOC_FAILURE
);
216 params
->length
= i2d_dhp(pkey
, pkey
->pkey
.dh
, ¶ms
->data
);
217 if (params
->length
<= 0) {
218 DHerr(DH_F_DH_PRIV_ENCODE
, ERR_R_MALLOC_FAILURE
);
221 params
->type
= V_ASN1_SEQUENCE
;
223 /* Get private key into integer */
224 prkey
= BN_to_ASN1_INTEGER(pkey
->pkey
.dh
->priv_key
, NULL
);
227 DHerr(DH_F_DH_PRIV_ENCODE
, DH_R_BN_ERROR
);
231 dplen
= i2d_ASN1_INTEGER(prkey
, &dp
);
233 ASN1_STRING_clear_free(prkey
);
236 if (!PKCS8_pkey_set0(p8
, OBJ_nid2obj(pkey
->ameth
->pkey_id
), 0,
237 V_ASN1_SEQUENCE
, params
, dp
, dplen
))
244 ASN1_STRING_free(params
);
245 ASN1_STRING_clear_free(prkey
);
249 static int dh_param_decode(EVP_PKEY
*pkey
,
250 const unsigned char **pder
, int derlen
)
254 if ((dh
= d2i_dhp(pkey
, pder
, derlen
)) == NULL
) {
255 DHerr(DH_F_DH_PARAM_DECODE
, ERR_R_DH_LIB
);
258 EVP_PKEY_assign(pkey
, pkey
->ameth
->pkey_id
, dh
);
262 static int dh_param_encode(const EVP_PKEY
*pkey
, unsigned char **pder
)
264 return i2d_dhp(pkey
, pkey
->pkey
.dh
, pder
);
267 static int do_dh_print(BIO
*bp
, const DH
*x
, int indent
, int ptype
)
269 int reason
= ERR_R_BUF_LIB
;
270 const char *ktype
= NULL
;
271 BIGNUM
*priv_key
, *pub_key
;
274 priv_key
= x
->priv_key
;
279 pub_key
= x
->pub_key
;
283 if (priv_key
== NULL
&& pub_key
== NULL
) {
284 reason
= ERR_R_PASSED_NULL_PARAMETER
;
289 ktype
= "DH Private-Key";
291 ktype
= "DH Public-Key";
293 ktype
= "DH Parameters";
295 BIO_indent(bp
, indent
, 128);
296 if (BIO_printf(bp
, "%s: (%d bit)\n", ktype
, BN_num_bits(x
->p
)) <= 0)
300 if (!ASN1_bn_print(bp
, "private-key:", priv_key
, NULL
, indent
))
302 if (!ASN1_bn_print(bp
, "public-key:", pub_key
, NULL
, indent
))
305 if (!ASN1_bn_print(bp
, "prime:", x
->p
, NULL
, indent
))
307 if (!ASN1_bn_print(bp
, "generator:", x
->g
, NULL
, indent
))
309 if (x
->q
&& !ASN1_bn_print(bp
, "subgroup order:", x
->q
, NULL
, indent
))
311 if (x
->j
&& !ASN1_bn_print(bp
, "subgroup factor:", x
->j
, NULL
, indent
))
315 BIO_indent(bp
, indent
, 128);
316 BIO_puts(bp
, "seed:");
317 for (i
= 0; i
< x
->seedlen
; i
++) {
319 if (BIO_puts(bp
, "\n") <= 0
320 || !BIO_indent(bp
, indent
+ 4, 128))
323 if (BIO_printf(bp
, "%02x%s", x
->seed
[i
],
324 ((i
+ 1) == x
->seedlen
) ? "" : ":") <= 0)
327 if (BIO_write(bp
, "\n", 1) <= 0)
330 if (x
->counter
&& !ASN1_bn_print(bp
, "counter:", x
->counter
, NULL
, indent
))
332 if (x
->length
!= 0) {
333 BIO_indent(bp
, indent
, 128);
334 if (BIO_printf(bp
, "recommended-private-length: %d bits\n",
335 (int)x
->length
) <= 0)
342 DHerr(DH_F_DO_DH_PRINT
, reason
);
346 static int int_dh_size(const EVP_PKEY
*pkey
)
348 return (DH_size(pkey
->pkey
.dh
));
351 static int dh_bits(const EVP_PKEY
*pkey
)
353 return BN_num_bits(pkey
->pkey
.dh
->p
);
356 static int dh_security_bits(const EVP_PKEY
*pkey
)
358 return DH_security_bits(pkey
->pkey
.dh
);
361 static int dh_cmp_parameters(const EVP_PKEY
*a
, const EVP_PKEY
*b
)
363 if (BN_cmp(a
->pkey
.dh
->p
, b
->pkey
.dh
->p
) ||
364 BN_cmp(a
->pkey
.dh
->g
, b
->pkey
.dh
->g
))
366 else if (a
->ameth
== &dhx_asn1_meth
) {
367 if (BN_cmp(a
->pkey
.dh
->q
, b
->pkey
.dh
->q
))
373 static int int_dh_bn_cpy(BIGNUM
**dst
, const BIGNUM
*src
)
387 static int int_dh_param_copy(DH
*to
, const DH
*from
, int is_x942
)
390 is_x942
= ! !from
->q
;
391 if (!int_dh_bn_cpy(&to
->p
, from
->p
))
393 if (!int_dh_bn_cpy(&to
->g
, from
->g
))
396 if (!int_dh_bn_cpy(&to
->q
, from
->q
))
398 if (!int_dh_bn_cpy(&to
->j
, from
->j
))
400 OPENSSL_free(to
->seed
);
404 to
->seed
= OPENSSL_memdup(from
->seed
, from
->seedlen
);
407 to
->seedlen
= from
->seedlen
;
410 to
->length
= from
->length
;
414 DH
*DHparams_dup(DH
*dh
)
420 if (!int_dh_param_copy(ret
, dh
, -1)) {
427 static int dh_copy_parameters(EVP_PKEY
*to
, const EVP_PKEY
*from
)
429 if (to
->pkey
.dh
== NULL
) {
430 to
->pkey
.dh
= DH_new();
431 if (to
->pkey
.dh
== NULL
)
434 return int_dh_param_copy(to
->pkey
.dh
, from
->pkey
.dh
,
435 from
->ameth
== &dhx_asn1_meth
);
438 static int dh_missing_parameters(const EVP_PKEY
*a
)
440 if (!a
->pkey
.dh
->p
|| !a
->pkey
.dh
->g
)
445 static int dh_pub_cmp(const EVP_PKEY
*a
, const EVP_PKEY
*b
)
447 if (dh_cmp_parameters(a
, b
) == 0)
449 if (BN_cmp(b
->pkey
.dh
->pub_key
, a
->pkey
.dh
->pub_key
) != 0)
455 static int dh_param_print(BIO
*bp
, const EVP_PKEY
*pkey
, int indent
,
458 return do_dh_print(bp
, pkey
->pkey
.dh
, indent
, 0);
461 static int dh_public_print(BIO
*bp
, const EVP_PKEY
*pkey
, int indent
,
464 return do_dh_print(bp
, pkey
->pkey
.dh
, indent
, 1);
467 static int dh_private_print(BIO
*bp
, const EVP_PKEY
*pkey
, int indent
,
470 return do_dh_print(bp
, pkey
->pkey
.dh
, indent
, 2);
473 int DHparams_print(BIO
*bp
, const DH
*x
)
475 return do_dh_print(bp
, x
, 4, 0);
478 #ifndef OPENSSL_NO_CMS
479 static int dh_cms_decrypt(CMS_RecipientInfo
*ri
);
480 static int dh_cms_encrypt(CMS_RecipientInfo
*ri
);
483 static int dh_pkey_ctrl(EVP_PKEY
*pkey
, int op
, long arg1
, void *arg2
)
486 #ifndef OPENSSL_NO_CMS
488 case ASN1_PKEY_CTRL_CMS_ENVELOPE
:
490 return dh_cms_decrypt(arg2
);
492 return dh_cms_encrypt(arg2
);
495 case ASN1_PKEY_CTRL_CMS_RI_TYPE
:
496 *(int *)arg2
= CMS_RECIPINFO_AGREE
;
505 const EVP_PKEY_ASN1_METHOD dh_asn1_meth
= {
511 "OpenSSL PKCS#3 DH method",
528 dh_missing_parameters
,
538 const EVP_PKEY_ASN1_METHOD dhx_asn1_meth
= {
544 "OpenSSL X9.42 DH method",
561 dh_missing_parameters
,
571 #ifndef OPENSSL_NO_CMS
573 static int dh_cms_set_peerkey(EVP_PKEY_CTX
*pctx
,
574 X509_ALGOR
*alg
, ASN1_BIT_STRING
*pubkey
)
579 ASN1_INTEGER
*public_key
= NULL
;
581 EVP_PKEY
*pkpeer
= NULL
, *pk
= NULL
;
583 const unsigned char *p
;
586 X509_ALGOR_get0(&aoid
, &atype
, &aval
, alg
);
587 if (OBJ_obj2nid(aoid
) != NID_dhpublicnumber
)
589 /* Only absent parameters allowed in RFC XXXX */
590 if (atype
!= V_ASN1_UNDEF
&& atype
== V_ASN1_NULL
)
593 pk
= EVP_PKEY_CTX_get0_pkey(pctx
);
596 if (pk
->type
!= EVP_PKEY_DHX
)
598 /* Get parameters from parent key */
599 dhpeer
= DHparams_dup(pk
->pkey
.dh
);
600 /* We have parameters now set public key */
601 plen
= ASN1_STRING_length(pubkey
);
602 p
= ASN1_STRING_data(pubkey
);
606 if ((public_key
= d2i_ASN1_INTEGER(NULL
, &p
, plen
)) == NULL
) {
607 DHerr(DH_F_DH_CMS_SET_PEERKEY
, DH_R_DECODE_ERROR
);
611 /* We have parameters now set public key */
612 if ((dhpeer
->pub_key
= ASN1_INTEGER_to_BN(public_key
, NULL
)) == NULL
) {
613 DHerr(DH_F_DH_CMS_SET_PEERKEY
, DH_R_BN_DECODE_ERROR
);
617 pkpeer
= EVP_PKEY_new();
620 EVP_PKEY_assign(pkpeer
, pk
->ameth
->pkey_id
, dhpeer
);
622 if (EVP_PKEY_derive_set_peer(pctx
, pkpeer
) > 0)
625 ASN1_INTEGER_free(public_key
);
626 EVP_PKEY_free(pkpeer
);
631 static int dh_cms_set_shared_info(EVP_PKEY_CTX
*pctx
, CMS_RecipientInfo
*ri
)
635 X509_ALGOR
*alg
, *kekalg
= NULL
;
636 ASN1_OCTET_STRING
*ukm
;
637 const unsigned char *p
;
638 unsigned char *dukm
= NULL
;
641 const EVP_CIPHER
*kekcipher
;
642 EVP_CIPHER_CTX
*kekctx
;
644 if (!CMS_RecipientInfo_kari_get0_alg(ri
, &alg
, &ukm
))
648 * For DH we only have one OID permissible. If ever any more get defined
649 * we will need something cleverer.
651 if (OBJ_obj2nid(alg
->algorithm
) != NID_id_smime_alg_ESDH
) {
652 DHerr(DH_F_DH_CMS_SET_SHARED_INFO
, DH_R_KDF_PARAMETER_ERROR
);
656 if (EVP_PKEY_CTX_set_dh_kdf_type(pctx
, EVP_PKEY_DH_KDF_X9_42
) <= 0)
659 if (EVP_PKEY_CTX_set_dh_kdf_md(pctx
, EVP_sha1()) <= 0)
662 if (alg
->parameter
->type
!= V_ASN1_SEQUENCE
)
665 p
= alg
->parameter
->value
.sequence
->data
;
666 plen
= alg
->parameter
->value
.sequence
->length
;
667 kekalg
= d2i_X509_ALGOR(NULL
, &p
, plen
);
670 kekctx
= CMS_RecipientInfo_kari_get0_ctx(ri
);
673 kekcipher
= EVP_get_cipherbyobj(kekalg
->algorithm
);
674 if (!kekcipher
|| EVP_CIPHER_mode(kekcipher
) != EVP_CIPH_WRAP_MODE
)
676 if (!EVP_EncryptInit_ex(kekctx
, kekcipher
, NULL
, NULL
, NULL
))
678 if (EVP_CIPHER_asn1_to_param(kekctx
, kekalg
->parameter
) <= 0)
681 keylen
= EVP_CIPHER_CTX_key_length(kekctx
);
682 if (EVP_PKEY_CTX_set_dh_kdf_outlen(pctx
, keylen
) <= 0)
684 /* Use OBJ_nid2obj to ensure we use built in OID that isn't freed */
685 if (EVP_PKEY_CTX_set0_dh_kdf_oid(pctx
,
686 OBJ_nid2obj(EVP_CIPHER_type(kekcipher
)))
691 dukmlen
= ASN1_STRING_length(ukm
);
692 dukm
= OPENSSL_memdup(ASN1_STRING_data(ukm
), dukmlen
);
697 if (EVP_PKEY_CTX_set0_dh_kdf_ukm(pctx
, dukm
, dukmlen
) <= 0)
703 X509_ALGOR_free(kekalg
);
708 static int dh_cms_decrypt(CMS_RecipientInfo
*ri
)
711 pctx
= CMS_RecipientInfo_get0_pkey_ctx(ri
);
714 /* See if we need to set peer key */
715 if (!EVP_PKEY_CTX_get0_peerkey(pctx
)) {
717 ASN1_BIT_STRING
*pubkey
;
718 if (!CMS_RecipientInfo_kari_get0_orig_id(ri
, &alg
, &pubkey
,
723 if (!dh_cms_set_peerkey(pctx
, alg
, pubkey
)) {
724 DHerr(DH_F_DH_CMS_DECRYPT
, DH_R_PEER_KEY_ERROR
);
728 /* Set DH derivation parameters and initialise unwrap context */
729 if (!dh_cms_set_shared_info(pctx
, ri
)) {
730 DHerr(DH_F_DH_CMS_DECRYPT
, DH_R_SHARED_INFO_ERROR
);
736 static int dh_cms_encrypt(CMS_RecipientInfo
*ri
)
742 X509_ALGOR
*talg
, *wrap_alg
= NULL
;
744 ASN1_BIT_STRING
*pubkey
;
745 ASN1_STRING
*wrap_str
;
746 ASN1_OCTET_STRING
*ukm
;
747 unsigned char *penc
= NULL
, *dukm
= NULL
;
751 int kdf_type
, wrap_nid
;
752 const EVP_MD
*kdf_md
;
753 pctx
= CMS_RecipientInfo_get0_pkey_ctx(ri
);
756 /* Get ephemeral key */
757 pkey
= EVP_PKEY_CTX_get0_pkey(pctx
);
758 if (!CMS_RecipientInfo_kari_get0_orig_id(ri
, &talg
, &pubkey
,
761 X509_ALGOR_get0(&aoid
, NULL
, NULL
, talg
);
762 /* Is everything uninitialised? */
763 if (aoid
== OBJ_nid2obj(NID_undef
)) {
764 ASN1_INTEGER
*pubk
= BN_to_ASN1_INTEGER(pkey
->pkey
.dh
->pub_key
, NULL
);
769 penclen
= i2d_ASN1_INTEGER(pubk
, &penc
);
770 ASN1_INTEGER_free(pubk
);
773 ASN1_STRING_set0(pubkey
, penc
, penclen
);
774 pubkey
->flags
&= ~(ASN1_STRING_FLAG_BITS_LEFT
| 0x07);
775 pubkey
->flags
|= ASN1_STRING_FLAG_BITS_LEFT
;
778 X509_ALGOR_set0(talg
, OBJ_nid2obj(NID_dhpublicnumber
),
782 /* See if custom parameters set */
783 kdf_type
= EVP_PKEY_CTX_get_dh_kdf_type(pctx
);
786 if (!EVP_PKEY_CTX_get_dh_kdf_md(pctx
, &kdf_md
))
789 if (kdf_type
== EVP_PKEY_DH_KDF_NONE
) {
790 kdf_type
= EVP_PKEY_DH_KDF_X9_42
;
791 if (EVP_PKEY_CTX_set_dh_kdf_type(pctx
, kdf_type
) <= 0)
793 } else if (kdf_type
!= EVP_PKEY_DH_KDF_X9_42
)
796 if (kdf_md
== NULL
) {
797 /* Only SHA1 supported */
799 if (EVP_PKEY_CTX_set_dh_kdf_md(pctx
, kdf_md
) <= 0)
801 } else if (EVP_MD_type(kdf_md
) != NID_sha1
)
802 /* Unsupported digest */
805 if (!CMS_RecipientInfo_kari_get0_alg(ri
, &talg
, &ukm
))
809 ctx
= CMS_RecipientInfo_kari_get0_ctx(ri
);
810 wrap_nid
= EVP_CIPHER_CTX_type(ctx
);
811 if (EVP_PKEY_CTX_set0_dh_kdf_oid(pctx
, OBJ_nid2obj(wrap_nid
)) <= 0)
813 keylen
= EVP_CIPHER_CTX_key_length(ctx
);
815 /* Package wrap algorithm in an AlgorithmIdentifier */
817 wrap_alg
= X509_ALGOR_new();
818 if (wrap_alg
== NULL
)
820 wrap_alg
->algorithm
= OBJ_nid2obj(wrap_nid
);
821 wrap_alg
->parameter
= ASN1_TYPE_new();
822 if (wrap_alg
->parameter
== NULL
)
824 if (EVP_CIPHER_param_to_asn1(ctx
, wrap_alg
->parameter
) <= 0)
826 if (ASN1_TYPE_get(wrap_alg
->parameter
) == NID_undef
) {
827 ASN1_TYPE_free(wrap_alg
->parameter
);
828 wrap_alg
->parameter
= NULL
;
831 if (EVP_PKEY_CTX_set_dh_kdf_outlen(pctx
, keylen
) <= 0)
835 dukmlen
= ASN1_STRING_length(ukm
);
836 dukm
= OPENSSL_memdup(ASN1_STRING_data(ukm
), dukmlen
);
841 if (EVP_PKEY_CTX_set0_dh_kdf_ukm(pctx
, dukm
, dukmlen
) <= 0)
846 * Now need to wrap encoding of wrap AlgorithmIdentifier into parameter
847 * of another AlgorithmIdentifier.
850 penclen
= i2d_X509_ALGOR(wrap_alg
, &penc
);
851 if (!penc
|| !penclen
)
853 wrap_str
= ASN1_STRING_new();
854 if (wrap_str
== NULL
)
856 ASN1_STRING_set0(wrap_str
, penc
, penclen
);
858 X509_ALGOR_set0(talg
, OBJ_nid2obj(NID_id_smime_alg_ESDH
),
859 V_ASN1_SEQUENCE
, wrap_str
);
865 X509_ALGOR_free(wrap_alg
);